Home / 3,701.80-5,552.70-3,125.80

Finding the Fourth Proportional to 3,701.80, 5,552.70 and 3,125.80

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Solution

The fourth proportional to 3,701.80, 5,552.70 and 3,125.80 is: 4,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.80 : 5,552.70 = 3,125.80 : x
  2. Step 2: Convert to fraction form
    3,701.80/5,552.70 = 3,125.80/x
  3. Step 3: Cross multiply
    3,701.80x = 5,552.70 × 3,125.80
  4. Step 4: Simplify right side
    3,701.80x = 17,356,629.66
  5. Step 5: Solve for x
    x = 17,356,629.66/3,701.80
  6. Step 6: Final answer
    x = 4,688.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.